P0340
Test 1:
Tests 2 - 4:
Tests 5 - 8:
Tests 9 - 13:
Tests 14 - 18:
SYMPTOM
P0340-NO CAM SIGNAL AT PCM
WHEN MONITORED
Engine cranking/running.
SET CONDITION
At least 5 seconds or 2.5 engine revolutions have elapsed with crankshaft position sensor signals present but no camshaft position sensor signal.
POSSIBLE CAUSES
- Checking intermittent CKP signal with LAB
- Checking intermittent CMP signal with LAB
- Checking intermittent wiring with LAB scope
- Intermittent condition
- 8 volt supply circuit shorted to ground
- 8 volt supply circuit open
- 8 volt supply circuit shorted to voltage
- CMP sensor signal circuit shorted ground
- CMP sensor signal circuit open
- CMP sensor signal circuit shorted to voltage
- CMP sensor signal shorted to 8 volt supply circuit
- Sensor ground circuit open
- PCM - 8 volt supply
- PCM - CMP sensor signal
- Camshaft position sensor